Comparison of fragmented QRS and myocardial perfusion-gated SPECT findings

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dc.contributor.authorOzdemir, Semra
dc.contributor.authorTan, Yusuf Ziya
dc.contributor.authorColkesen, Yuecel
dc.contributor.authorTemiz, Ahmet
dc.contributor.authorTurker, Fatmanur
dc.contributor.authorAkgoz, Semra
dc.date.accessioned2025-01-27T20:20:07Z
dc.date.available2025-01-27T20:20:07Z
dc.date.issued2013
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractAimFragmented QRS (fQRS) complex is an ECG parameter that has recently been introduced and investigated. It is assumed that fQRS occurs because of disruptions in ventricular conduction due to ventricular infarction and ischemia. Therefore, in this article, we aimed to investigate the relationship between the detection of infarction and ischemia on myocardial perfusion-gated single-photon emission computed tomography images and appearance of fQRS on ECG.Materials and methodsWe retrospectively reviewed the records of patients with a diagnosis of coronary artery disease who were referred to our institution for myocardial perfusion scintigraphy. In total, 261 patients (122 women and 139 men, with a mean age of 6110.33 years) with and without fQRS (136 and 125, respectively) were included in the present study. The myocardial perfusion scintigraphy results were evaluated for the presence or absence of myocardial ischemia and infarction by visual and quantitative (summed stress score, summed rest, summed difference score, summed motion score, and summed thickening score) assessments. Statistical analysis was performed to determine the relationship between the presence of fQRS and myocardial ischemia and/or infarction. Student's t-test and the Mann-Whitney U-test were used for comparing the results. Pearson's (2)-test and Fisher's exact tests were also used to compare the distribution of variables between the two groups.ResultsThe prevalence of ischemia and infarction were found to be, respectively, 4.38-fold and 5.95-fold higher in patients with fQRS compared with the control group. Moreover, the prevalence of both ischemia and infarction was found to be 10.54-fold higher in patients with fQRS compared with the control group.ConclusionThere is a highly statistically significant possibility of detecting ischemia and infarction in perfusion myocardial scintigrams of patients whose ECGs have fQRS. (C) 2013 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.
dc.identifier.doi10.1097/MNM.0b013e3283653884
dc.identifier.endpage1115
dc.identifier.issn0143-3636
dc.identifier.issn1473-5628
dc.identifier.issue11
dc.identifier.pmid23963352
dc.identifier.scopus2-s2.0-84885018690
dc.identifier.scopusqualityQ3
dc.identifier.startpage1107
dc.identifier.urihttps://doi.org/10.1097/MNM.0b013e3283653884
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21569
dc.identifier.volume34
dc.identifier.wosWOS:000325095700009
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofNuclear Medicine Communications
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectfragmented QRS
dc.subjectischemia
dc.subjectinfarction
dc.subjectmyocardial perfusion-gated single-photon emission computed tomography
dc.titleComparison of fragmented QRS and myocardial perfusion-gated SPECT findings
dc.typeArticle

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